/*
 * Copyright (C) 2023-2024. Huawei Technologies Co., Ltd. All rights reserved.
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huawei.boostkit.hive;

import com.huawei.boostkit.hive.expression.ExpressionUtils;

import org.apache.hadoop.hive.ql.plan.AbstractOperatorDesc;
import org.apache.hadoop.hive.ql.plan.Explain;
import org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc;
import org.apache.hadoop.hive.ql.plan.GroupByDesc;

@Explain(displayName = "Omni Sort Operator", explainLevels = {Explain.Level.USER, Explain.Level.DEFAULT,
        Explain.Level.EXTENDED})
public class OmniSortDesc extends AbstractOperatorDesc {
    private ExprNodeColumnDesc[] sortCol;

    public OmniSortDesc(GroupByDesc groupByDesc) {
        sortCol = new ExprNodeColumnDesc[groupByDesc.getKeys().size()];
        for (int i = 0; i < groupByDesc.getKeys().size(); i++) {
            sortCol[i] = (ExprNodeColumnDesc) ExpressionUtils.getExprNodeColumnDesc(groupByDesc.getKeys().get(i))
                    .get(0);
        }
    }

    public ExprNodeColumnDesc[] getSortCol() {
        return sortCol;
    }
}